19161004014 has 24 divisors (see below), whose sum is σ = 41520880440. Its totient is φ = 6386174928.

The previous prime is 19161004003. The next prime is 19161004019. The reversal of 19161004014 is 41040016191.

19161004014 is a `hidden beast` number, since 1 + 9 + 1 + 610 + 0 + 40 + 1 + 4 = 666.

It is a super-2 number, since 2×19161004014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19161004019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83184 + ... + 212700.

It is an arithmetic number, because the mean of its divisors is an integer number (1730036685).

Almost surely, 2^19161004014 is an apocalyptic number.

19161004014 is an abundant number, since it is smaller than the sum of its proper divisors (22359876426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19161004014 is a wasteful number, since it uses less digits than its factorization.

19161004014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137744 (or 137741 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 19161004014 in words is "nineteen billion, one hundred sixty-one million, four thousand, fourteen".